Scuba mask



FIG. 1 is a front side and top perspective view of a scuba mask showing my new design, the broken line showing of the strap is for illustrative purposes only and forms no part of the claimed design;

FIG. 2 is a top elevational view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a side elevational view thereof;

FIG. 5 is a back elevational view thereof; and,

FIG. 6 is a bottom elevational view thereof. 

The ornamental design for scuba mask, as shown and described. 